OITracker Cboe delayed data

Contract OI history

Back to KLAC

Dec 18, 2026 EXPIRATION

KLAC $158.00 Put

KLAC261218P00158000

Latest saved OI402Oct 23, 2026
Last change+2vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
KLAC $158.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 4022010 2026-10-09: 392 OI2026-10-13: 392 OI2026-10-14: 392 OI2026-10-15: 392 OI2026-10-16: 392 OI2026-10-21: 400 OI2026-10-23: 402 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

KLAC contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing402+2
Oct 21, 2026400+8
Oct 16, 20263920
Oct 15, 20263920
Oct 14, 20263920
Oct 13, 20263920
Oct 09, 2026392No prior observation